Retrieve the URL suffix for the server connection URL. This optional property is only used when connecting through a proxy server or Relay Server.
If the URL Suffix is left blank, then the client will attempt to discover the correct URL using default Relay Server URLs. If a valid urlSuffix is discovered, the value will be saved and used exclusively.
@property(readwrite, retain, nonatomic) NSString* urlSuffix;
Returns the URL suffix.
You can optionally code a Content-ID (CID) into the URL.
For example, if the CID is "XYZ" then any of these URL suffixes:
result in the following URL suffix: